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komatsu pc78-6no midi ex – all hyd function weak and slow except for blade

sepulchral ยท 2021-08-08 10:42

engine does not die/bog, just all hydraulics function are weak and slow. filters are fine, pump has been replaced, computer has been replaced, wiring is good, cannot figure it out - any pointers???

Replies3
  1. #1Kobelco ireland2021-08-08 11:42

    Have you checked the main relief valve pressure

  2. #2sepulchral2021-08-09 07:11

    No. Any chance you can educate me on how?

  3. #3John C.2021-08-09 10:18

    Send me a PM with you email address and I can send you some information.